add directory study

study/linux-travel/MINIX-1.5/1.5/Binaries/etc/mkdev

@@ -0,0 +1,41 @@
+# Make the special files.  Call:
+#	 /etc/mkdev ram_size hd1_size hd2_size hd3_size hd4_size
+# If the sizes are omitted, 0 is used.
+
+case $# in
+5) A=$1; B=$2; C=$3 D=$4; E=$5 ;;
+*) A=0;  B=0;  C=0; D=0;  E=0;
+   echo RAM disk and hard disk sizes are being set to 0 ;;
+esac
+
+mknod ram 	b 1 0    $A
+mknod mem       c 1 1
+mknod kmem      c 1 2
+mknod null      c 1 3
+mknod port      c 1 4
+mknod fd0	b 2 0     0
+mknod fd1	b 2 1     0
+mknod pc0	b 2 4   360
+mknod pc1	b 2 5   360
+mknod at0	b 2 8  1200
+mknod at1	b 2 9  1200
+mknod ps0	b 2 16  720
+mknod ps1	b 2 17  720
+mknod pat0	b 2 20  360
+mknod pat1	b 2 21  360
+mknod PS0	b 2 28 1440
+mknod PS1	b 2 29 1440
+mknod hd0	b 3 0     0
+mknod hd1	b 3 1    $B
+mknod hd2	b 3 2    $C
+mknod hd3	b 3 3    $D
+mknod hd4	b 3 4    $E
+mknod console	c 4 0
+mknod tty0      c 4 0
+mknod tty1      c 4 1
+mknod tty2      c 4 2
+mknod tty       c 5 0
+mknod lp        c 6 0
+chmod 600 hd?
+chmod 640 mem kmem
+chmod 222 lp